oil purifying installations; heating apparatus for oil; scrubbers [parts of gas installations]; gas scrubbers [parts of gas installations]; industrial scrubbers for removing dust particulates from air during industrial processing; gas scrubbing installations; plug-in diffusers for air deodorizers; light diffusers; night lights, electric, incorporating fragrance diffusers; air diffusers being parts of refrigerators; electric night lights incorporating fragrance diffusers; lamps for lighting purposes; roof lights [lamps]; candle lamps; air fryers; oil-free fryers, electric; oil-free electric fryers; frying machines; filters for air-conditioning installations; air filters for industrial installations; filters for air conditioning installations; filters for air conditioning; air conditioning filters; filters for air conditioners; aquarium filters; filters for aquariums; filters for aquaria; aquarium filter cartridges; filters for faucets; filters for refrigeration systems; water purification filters, electric; water purification filters; aquarium filtration apparatus; filters for air purifiers; filters for air conditioning apparatus; aquarium lights; aquarium lamps; ceiling lights [lamps]; ceiling lights; ceiling light fittings; ceiling light fixtures; air humidifiers [water containers for central heating radiators]; air humidifiers being water containers for central heating radiators; air humidifiers; humidifiers for central heating radiators; industrial humidifiers; humidifier units as parts of vehicles; humidifiers, electric; air humidifiers for automobiles; electric humidifiers; air humidifying installations; humidification apparatus for use with air conditioning apparatus; humidification apparatus for use with air-conditioning apparatus; humidification apparatus for use with air conditioners; room humidifiers; room humidifiers [apparatus]; de-humidifiers; air humidifying apparatus; USB-powered humidifiers for household use; humidifiers for reptile terrariums; USB-powered humidifiers for household purposes; humidifiers for musical instruments; filters for gases [household or industrial installations]; filters for cleaning gases [parts of household or industrial installations]; humidifiers; humidifiers for household purposes; electric humidifiers for household use; humidifiers for household use; electric humidifiers for household purposes; lamps for outdoor installation; lamps for outdoor use; lights for outdoor installation; LED lamps; LED light bulbs; LED lights; LED lamp lights; luminous house numbers; solar powered lamps; street lights; lamps; wall lamps; wall lights; air purifiers; electric air purifiers; apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes; desk lamps; lamp fixtures; lamp bulbs